Gospel Time for trombone, by Jeffrey Agrell. Trombone ensemble quartet. - Title: Gospel Time - Composer: Jeffrey Agrell - Instrumentation: 4 trombones - Publisher: Editions Marc Reift - Product Code: EMR 441 Thank you for viewing. There are some minor scratches on the cover, but the sheet music inside has no writing or stains and is in good condition. It will be shipped sandwiched between cardboard to prevent folding, and placed in a waterproof bag.